Fluval U3 Underwater Filter for Aquariums up to 40 Gal.
Price : $121.99
Designed for use in both fresh and saltwater applications, U series underwater filters offer superior water purification, movement and aeration capabilities. Whether you’re looking for a submersible filter that offers multi-stage cleaning, quiet operation, versatile horizontal and vertical mounting options or ultra fast media changes, U series has something to offer everyone. U series filters are also great for terrariums and turtle tanks.